Toll - free bridge
- 3. Toll - free bridge
相互変換 Objective-C ←→ C/C++
正しくは Foundation ←→ Core Foundation
- 6. __bridge 修飾子
Foundation ←→ Core Foundation
どっち方向もOK
参照カウント ±0
CFStringRef cfStr;
NSString *nsStr = (__bridge NSString*)cfStr;
cfStr = (__bridge CFStringRef)nsStr;
NSLog(@"%@", nsStr);